1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2012 Russell King
4 * Rewritten from the dovefb driver, and Armada510 manuals.
5 */
6
7 #include <drm/armada_drm.h>
8 #include <drm/drm_atomic.h>
9 #include <drm/drm_atomic_helper.h>
10 #include <drm/drm_atomic_uapi.h>
11 #include <drm/drm_fourcc.h>
12 #include <drm/drm_plane_helper.h>
13
14 #include "armada_crtc.h"
15 #include "armada_drm.h"
16 #include "armada_fb.h"
17 #include "armada_gem.h"
18 #include "armada_hw.h"
19 #include "armada_ioctlP.h"
20 #include "armada_plane.h"
21 #include "armada_trace.h"
22
23 #define DEFAULT_BRIGHTNESS 0
24 #define DEFAULT_CONTRAST 0x4000
25 #define DEFAULT_SATURATION 0x4000
26 #define DEFAULT_ENCODING DRM_COLOR_YCBCR_BT601
27
28 struct armada_overlay_state {
29 struct armada_plane_state base;
30 u32 colorkey_yr;
31 u32 colorkey_ug;
32 u32 colorkey_vb;
33 u32 colorkey_mode;
34 u32 colorkey_enable;
35 s16 brightness;
36 u16 contrast;
37 u16 saturation;
38 };
39 #define drm_to_overlay_state(s) \
40 container_of(s, struct armada_overlay_state, base.base)
41
armada_spu_contrast(struct drm_plane_state * state)42 static inline u32 armada_spu_contrast(struct drm_plane_state *state)
43 {
44 return drm_to_overlay_state(state)->brightness << 16 |
45 drm_to_overlay_state(state)->contrast;
46 }
47
armada_spu_saturation(struct drm_plane_state * state)48 static inline u32 armada_spu_saturation(struct drm_plane_state *state)
49 {
50 /* Docs say 15:0, but it seems to actually be 31:16 on Armada 510 */
51 return drm_to_overlay_state(state)->saturation << 16;
52 }
53
armada_csc(struct drm_plane_state * state)54 static inline u32 armada_csc(struct drm_plane_state *state)
55 {
56 /*
57 * The CFG_CSC_RGB_* settings control the output of the colour space
58 * converter, setting the range of output values it produces. Since
59 * we will be blending with the full-range graphics, we need to
60 * produce full-range RGB output from the conversion.
61 */
62 return CFG_CSC_RGB_COMPUTER |
63 (state->color_encoding == DRM_COLOR_YCBCR_BT709 ?
64 CFG_CSC_YUV_CCIR709 : CFG_CSC_YUV_CCIR601);
65 }
66
67 /* === Plane support === */
armada_drm_overlay_plane_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)68 static void armada_drm_overlay_plane_atomic_update(struct drm_plane *plane,
69 struct drm_atomic_state *state)
70 {
71 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
72 plane);
73 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
74 plane);
75 struct armada_crtc *dcrtc;
76 struct armada_regs *regs;
77 unsigned int idx;
78 u32 cfg, cfg_mask, val;
79
80 DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
81
82 if (!new_state->fb || WARN_ON(!new_state->crtc))
83 return;
84
85 DRM_DEBUG_KMS("[PLANE:%d:%s] is on [CRTC:%d:%s] with [FB:%d] visible %u->%u\n",
86 plane->base.id, plane->name,
87 new_state->crtc->base.id, new_state->crtc->name,
88 new_state->fb->base.id,
89 old_state->visible, new_state->visible);
90
91 dcrtc = drm_to_armada_crtc(new_state->crtc);
92 regs = dcrtc->regs + dcrtc->regs_idx;
93
94 idx = 0;
95 if (!old_state->visible && new_state->visible)
96 armada_reg_queue_mod(regs, idx,
97 0, CFG_PDWN16x66 | CFG_PDWN32x66,
98 LCD_SPU_SRAM_PARA1);
99 val = armada_src_hw(new_state);
100 if (armada_src_hw(old_state) != val)
101 armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_HPXL_VLN);
102 val = armada_dst_yx(new_state);
103 if (armada_dst_yx(old_state) != val)
104 armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_OVSA_HPXL_VLN);
105 val = armada_dst_hw(new_state);
106 if (armada_dst_hw(old_state) != val)
107 armada_reg_queue_set(regs, idx, val, LCD_SPU_DZM_HPXL_VLN);
108 /* FIXME: overlay on an interlaced display */
109 if (old_state->src.x1 != new_state->src.x1 ||
110 old_state->src.y1 != new_state->src.y1 ||
111 old_state->fb != new_state->fb ||
112 new_state->crtc->state->mode_changed) {
113 const struct drm_format_info *format;
114 u16 src_x;
115
116 armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 0),
117 LCD_SPU_DMA_START_ADDR_Y0);
118 armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 1),
119 LCD_SPU_DMA_START_ADDR_U0);
120 armada_reg_queue_set(regs, idx, armada_addr(new_state, 0, 2),
121 LCD_SPU_DMA_START_ADDR_V0);
122 armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 0),
123 LCD_SPU_DMA_START_ADDR_Y1);
124 armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 1),
125 LCD_SPU_DMA_START_ADDR_U1);
126 armada_reg_queue_set(regs, idx, armada_addr(new_state, 1, 2),
127 LCD_SPU_DMA_START_ADDR_V1);
128
129 val = armada_pitch(new_state, 0) << 16 | armada_pitch(new_state,
130 0);
131 armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_YC);
132 val = armada_pitch(new_state, 1) << 16 | armada_pitch(new_state,
133 2);
134 armada_reg_queue_set(regs, idx, val, LCD_SPU_DMA_PITCH_UV);
135
136 cfg = CFG_DMA_FMT(drm_fb_to_armada_fb(new_state->fb)->fmt) |
137 CFG_DMA_MOD(drm_fb_to_armada_fb(new_state->fb)->mod) |
138 CFG_CBSH_ENA;
139 if (new_state->visible)
140 cfg |= CFG_DMA_ENA;
141
142 /*
143 * Shifting a YUV packed format image by one pixel causes the
144 * U/V planes to swap. Compensate for it by also toggling
145 * the UV swap.
146 */
147 format = new_state->fb->format;
148 src_x = new_state->src.x1 >> 16;
149 if (format->num_planes == 1 && src_x & (format->hsub - 1))
150 cfg ^= CFG_DMA_MOD(CFG_SWAPUV);
151 if (to_armada_plane_state(new_state)->interlace)
152 cfg |= CFG_DMA_FTOGGLE;
153 cfg_mask = CFG_CBSH_ENA | CFG_DMAFORMAT |
154 CFG_DMA_MOD(CFG_SWAPRB | CFG_SWAPUV |
155 CFG_SWAPYU | CFG_YUV2RGB) |
156 CFG_DMA_FTOGGLE | CFG_DMA_TSTMODE |
157 CFG_DMA_ENA;
158 } else if (old_state->visible != new_state->visible) {
159 cfg = new_state->visible ? CFG_DMA_ENA : 0;
160 cfg_mask = CFG_DMA_ENA;
161 } else {
162 cfg = cfg_mask = 0;
163 }
164 if (drm_rect_width(&old_state->src) != drm_rect_width(&new_state->src) ||
165 drm_rect_width(&old_state->dst) != drm_rect_width(&new_state->dst)) {
166 cfg_mask |= CFG_DMA_HSMOOTH;
167 if (drm_rect_width(&new_state->src) >> 16 !=
168 drm_rect_width(&new_state->dst))
169 cfg |= CFG_DMA_HSMOOTH;
170 }
171
172 if (cfg_mask)
173 armada_reg_queue_mod(regs, idx, cfg, cfg_mask,
174 LCD_SPU_DMA_CTRL0);
175
176 val = armada_spu_contrast(new_state);
177 if ((!old_state->visible && new_state->visible) ||
178 armada_spu_contrast(old_state) != val)
179 armada_reg_queue_set(regs, idx, val, LCD_SPU_CONTRAST);
180 val = armada_spu_saturation(new_state);
181 if ((!old_state->visible && new_state->visible) ||
182 armada_spu_saturation(old_state) != val)
183 armada_reg_queue_set(regs, idx, val, LCD_SPU_SATURATION);
184 if (!old_state->visible && new_state->visible)
185 armada_reg_queue_set(regs, idx, 0x00002000, LCD_SPU_CBSH_HUE);
186 val = armada_csc(new_state);
187 if ((!old_state->visible && new_state->visible) ||
188 armada_csc(old_state) != val)
189 armada_reg_queue_mod(regs, idx, val, CFG_CSC_MASK,
190 LCD_SPU_IOPAD_CONTROL);
191 val = drm_to_overlay_state(new_state)->colorkey_yr;
192 if ((!old_state->visible && new_state->visible) ||
193 drm_to_overlay_state(old_state)->colorkey_yr != val)
194 armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_Y);
195 val = drm_to_overlay_state(new_state)->colorkey_ug;
196 if ((!old_state->visible && new_state->visible) ||
197 drm_to_overlay_state(old_state)->colorkey_ug != val)
198 armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_U);
199 val = drm_to_overlay_state(new_state)->colorkey_vb;
200 if ((!old_state->visible && new_state->visible) ||
201 drm_to_overlay_state(old_state)->colorkey_vb != val)
202 armada_reg_queue_set(regs, idx, val, LCD_SPU_COLORKEY_V);
203 val = drm_to_overlay_state(new_state)->colorkey_mode;
204 if ((!old_state->visible && new_state->visible) ||
205 drm_to_overlay_state(old_state)->colorkey_mode != val)
206 armada_reg_queue_mod(regs, idx, val, CFG_CKMODE_MASK |
207 CFG_ALPHAM_MASK | CFG_ALPHA_MASK,
208 LCD_SPU_DMA_CTRL1);
209 val = drm_to_overlay_state(new_state)->colorkey_enable;
210 if (((!old_state->visible && new_state->visible) ||
211 drm_to_overlay_state(old_state)->colorkey_enable != val) &&
212 dcrtc->variant->has_spu_adv_reg)
213 armada_reg_queue_mod(regs, idx, val, ADV_GRACOLORKEY |
214 ADV_VIDCOLORKEY, LCD_SPU_ADV_REG);
215
216 dcrtc->regs_idx += idx;
217 }
218
armada_drm_overlay_plane_atomic_disable(struct drm_plane * plane,struct drm_atomic_state * state)219 static void armada_drm_overlay_plane_atomic_disable(struct drm_plane *plane,
220 struct drm_atomic_state *state)
221 {
222 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
223 plane);
224 struct armada_crtc *dcrtc;
225 struct armada_regs *regs;
226 unsigned int idx = 0;
227
228 DRM_DEBUG_KMS("[PLANE:%d:%s]\n", plane->base.id, plane->name);
229
230 if (!old_state->crtc)
231 return;
232
233 DRM_DEBUG_KMS("[PLANE:%d:%s] was on [CRTC:%d:%s] with [FB:%d]\n",
234 plane->base.id, plane->name,
235 old_state->crtc->base.id, old_state->crtc->name,
236 old_state->fb->base.id);
237
238 dcrtc = drm_to_armada_crtc(old_state->crtc);
239 regs = dcrtc->regs + dcrtc->regs_idx;
240
241 /* Disable plane and power down the YUV FIFOs */
242 armada_reg_queue_mod(regs, idx, 0, CFG_DMA_ENA, LCD_SPU_DMA_CTRL0);
243 armada_reg_queue_mod(regs, idx, CFG_PDWN16x66 | CFG_PDWN32x66, 0,
244 LCD_SPU_SRAM_PARA1);
245
246 dcrtc->regs_idx += idx;
247 }
248
249 static const struct drm_plane_helper_funcs armada_overlay_plane_helper_funcs = {
250 .atomic_check = armada_drm_plane_atomic_check,
251 .atomic_update = armada_drm_overlay_plane_atomic_update,
252 .atomic_disable = armada_drm_overlay_plane_atomic_disable,
253 };
254
255 static int
armada_overlay_plane_update(struct drm_plane * plane,struct drm_crtc * crtc,struct drm_framebuffer * fb,int crtc_x,int crtc_y,unsigned crtc_w,unsigned crtc_h,uint32_t src_x,uint32_t src_y,uint32_t src_w,uint32_t src_h,struct drm_modeset_acquire_ctx * ctx)256 armada_overlay_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
257 struct drm_framebuffer *fb,
258 int crtc_x, int crtc_y, unsigned crtc_w, unsigned crtc_h,
259 uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h,
260 struct drm_modeset_acquire_ctx *ctx)
261 {
262 struct drm_atomic_state *state;
263 struct drm_plane_state *plane_state;
264 int ret = 0;
265
266 trace_armada_ovl_plane_update(plane, crtc, fb,
267 crtc_x, crtc_y, crtc_w, crtc_h,
268 src_x, src_y, src_w, src_h);
269
270 state = drm_atomic_state_alloc(plane->dev);
271 if (!state)
272 return -ENOMEM;
273
274 state->acquire_ctx = ctx;
275 plane_state = drm_atomic_get_plane_state(state, plane);
276 if (IS_ERR(plane_state)) {
277 ret = PTR_ERR(plane_state);
278 goto fail;
279 }
280
281 ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
282 if (ret != 0)
283 goto fail;
284
285 drm_atomic_set_fb_for_plane(plane_state, fb);
286 plane_state->crtc_x = crtc_x;
287 plane_state->crtc_y = crtc_y;
288 plane_state->crtc_h = crtc_h;
289 plane_state->crtc_w = crtc_w;
290 plane_state->src_x = src_x;
291 plane_state->src_y = src_y;
292 plane_state->src_h = src_h;
293 plane_state->src_w = src_w;
294
295 ret = drm_atomic_nonblocking_commit(state);
296 fail:
297 drm_atomic_state_put(state);
298 return ret;
299 }
300
armada_ovl_plane_destroy(struct drm_plane * plane)301 static void armada_ovl_plane_destroy(struct drm_plane *plane)
302 {
303 drm_plane_cleanup(plane);
304 kfree(plane);
305 }
306
armada_overlay_reset(struct drm_plane * plane)307 static void armada_overlay_reset(struct drm_plane *plane)
308 {
309 struct armada_overlay_state *state;
310
311 if (plane->state)
312 __drm_atomic_helper_plane_destroy_state(plane->state);
313 kfree(plane->state);
314 plane->state = NULL;
315
316 state = kzalloc(sizeof(*state), GFP_KERNEL);
317 if (state) {
318 state->colorkey_yr = 0xfefefe00;
319 state->colorkey_ug = 0x01010100;
320 state->colorkey_vb = 0x01010100;
321 state->colorkey_mode = CFG_CKMODE(CKMODE_RGB) |
322 CFG_ALPHAM_GRA | CFG_ALPHA(0);
323 state->colorkey_enable = ADV_GRACOLORKEY;
324 state->brightness = DEFAULT_BRIGHTNESS;
325 state->contrast = DEFAULT_CONTRAST;
326 state->saturation = DEFAULT_SATURATION;
327 __drm_atomic_helper_plane_reset(plane, &state->base.base);
328 state->base.base.color_encoding = DEFAULT_ENCODING;
329 state->base.base.color_range = DRM_COLOR_YCBCR_LIMITED_RANGE;
330 }
331 }
332
333 static struct drm_plane_state *
armada_overlay_duplicate_state(struct drm_plane * plane)334 armada_overlay_duplicate_state(struct drm_plane *plane)
335 {
336 struct armada_overlay_state *state;
337
338 if (WARN_ON(!plane->state))
339 return NULL;
340
341 state = kmemdup(plane->state, sizeof(*state), GFP_KERNEL);
342 if (state)
343 __drm_atomic_helper_plane_duplicate_state(plane,
344 &state->base.base);
345 return &state->base.base;
346 }
347
armada_overlay_set_property(struct drm_plane * plane,struct drm_plane_state * state,struct drm_property * property,uint64_t val)348 static int armada_overlay_set_property(struct drm_plane *plane,
349 struct drm_plane_state *state, struct drm_property *property,
350 uint64_t val)
351 {
352 struct armada_private *priv = drm_to_armada_dev(plane->dev);
353
354 #define K2R(val) (((val) >> 0) & 0xff)
355 #define K2G(val) (((val) >> 8) & 0xff)
356 #define K2B(val) (((val) >> 16) & 0xff)
357 if (property == priv->colorkey_prop) {
358 #define CCC(v) ((v) << 24 | (v) << 16 | (v) << 8)
359 drm_to_overlay_state(state)->colorkey_yr = CCC(K2R(val));
360 drm_to_overlay_state(state)->colorkey_ug = CCC(K2G(val));
361 drm_to_overlay_state(state)->colorkey_vb = CCC(K2B(val));
362 #undef CCC
363 } else if (property == priv->colorkey_min_prop) {
364 drm_to_overlay_state(state)->colorkey_yr &= ~0x00ff0000;
365 drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 16;
366 drm_to_overlay_state(state)->colorkey_ug &= ~0x00ff0000;
367 drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 16;
368 drm_to_overlay_state(state)->colorkey_vb &= ~0x00ff0000;
369 drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 16;
370 } else if (property == priv->colorkey_max_prop) {
371 drm_to_overlay_state(state)->colorkey_yr &= ~0xff000000;
372 drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 24;
373 drm_to_overlay_state(state)->colorkey_ug &= ~0xff000000;
374 drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 24;
375 drm_to_overlay_state(state)->colorkey_vb &= ~0xff000000;
376 drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 24;
377 } else if (property == priv->colorkey_val_prop) {
378 drm_to_overlay_state(state)->colorkey_yr &= ~0x0000ff00;
379 drm_to_overlay_state(state)->colorkey_yr |= K2R(val) << 8;
380 drm_to_overlay_state(state)->colorkey_ug &= ~0x0000ff00;
381 drm_to_overlay_state(state)->colorkey_ug |= K2G(val) << 8;
382 drm_to_overlay_state(state)->colorkey_vb &= ~0x0000ff00;
383 drm_to_overlay_state(state)->colorkey_vb |= K2B(val) << 8;
384 } else if (property == priv->colorkey_alpha_prop) {
385 drm_to_overlay_state(state)->colorkey_yr &= ~0x000000ff;
386 drm_to_overlay_state(state)->colorkey_yr |= K2R(val);
387 drm_to_overlay_state(state)->colorkey_ug &= ~0x000000ff;
388 drm_to_overlay_state(state)->colorkey_ug |= K2G(val);
389 drm_to_overlay_state(state)->colorkey_vb &= ~0x000000ff;
390 drm_to_overlay_state(state)->colorkey_vb |= K2B(val);
391 } else if (property == priv->colorkey_mode_prop) {
392 if (val == CKMODE_DISABLE) {
393 drm_to_overlay_state(state)->colorkey_mode =
394 CFG_CKMODE(CKMODE_DISABLE) |
395 CFG_ALPHAM_CFG | CFG_ALPHA(255);
396 drm_to_overlay_state(state)->colorkey_enable = 0;
397 } else {
398 drm_to_overlay_state(state)->colorkey_mode =
399 CFG_CKMODE(val) |
400 CFG_ALPHAM_GRA | CFG_ALPHA(0);
401 drm_to_overlay_state(state)->colorkey_enable =
402 ADV_GRACOLORKEY;
403 }
404 } else if (property == priv->brightness_prop) {
405 drm_to_overlay_state(state)->brightness = val - 256;
406 } else if (property == priv->contrast_prop) {
407 drm_to_overlay_state(state)->contrast = val;
408 } else if (property == priv->saturation_prop) {
409 drm_to_overlay_state(state)->saturation = val;
410 } else {
411 return -EINVAL;
412 }
413 return 0;
414 }
415
armada_overlay_get_property(struct drm_plane * plane,const struct drm_plane_state * state,struct drm_property * property,uint64_t * val)416 static int armada_overlay_get_property(struct drm_plane *plane,
417 const struct drm_plane_state *state, struct drm_property *property,
418 uint64_t *val)
419 {
420 struct armada_private *priv = drm_to_armada_dev(plane->dev);
421
422 #define C2K(c,s) (((c) >> (s)) & 0xff)
423 #define R2BGR(r,g,b,s) (C2K(r,s) << 0 | C2K(g,s) << 8 | C2K(b,s) << 16)
424 if (property == priv->colorkey_prop) {
425 /* Do best-efforts here for this property */
426 *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
427 drm_to_overlay_state(state)->colorkey_ug,
428 drm_to_overlay_state(state)->colorkey_vb, 16);
429 /* If min != max, or min != val, error out */
430 if (*val != R2BGR(drm_to_overlay_state(state)->colorkey_yr,
431 drm_to_overlay_state(state)->colorkey_ug,
432 drm_to_overlay_state(state)->colorkey_vb, 24) ||
433 *val != R2BGR(drm_to_overlay_state(state)->colorkey_yr,
434 drm_to_overlay_state(state)->colorkey_ug,
435 drm_to_overlay_state(state)->colorkey_vb, 8))
436 return -EINVAL;
437 } else if (property == priv->colorkey_min_prop) {
438 *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
439 drm_to_overlay_state(state)->colorkey_ug,
440 drm_to_overlay_state(state)->colorkey_vb, 16);
441 } else if (property == priv->colorkey_max_prop) {
442 *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
443 drm_to_overlay_state(state)->colorkey_ug,
444 drm_to_overlay_state(state)->colorkey_vb, 24);
445 } else if (property == priv->colorkey_val_prop) {
446 *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
447 drm_to_overlay_state(state)->colorkey_ug,
448 drm_to_overlay_state(state)->colorkey_vb, 8);
449 } else if (property == priv->colorkey_alpha_prop) {
450 *val = R2BGR(drm_to_overlay_state(state)->colorkey_yr,
451 drm_to_overlay_state(state)->colorkey_ug,
452 drm_to_overlay_state(state)->colorkey_vb, 0);
453 } else if (property == priv->colorkey_mode_prop) {
454 *val = (drm_to_overlay_state(state)->colorkey_mode &
455 CFG_CKMODE_MASK) >> ffs(CFG_CKMODE_MASK);
456 } else if (property == priv->brightness_prop) {
457 *val = drm_to_overlay_state(state)->brightness + 256;
458 } else if (property == priv->contrast_prop) {
459 *val = drm_to_overlay_state(state)->contrast;
460 } else if (property == priv->saturation_prop) {
461 *val = drm_to_overlay_state(state)->saturation;
462 } else {
463 return -EINVAL;
464 }
465 return 0;
466 }
467
468 static const struct drm_plane_funcs armada_ovl_plane_funcs = {
469 .update_plane = armada_overlay_plane_update,
470 .disable_plane = drm_atomic_helper_disable_plane,
471 .destroy = armada_ovl_plane_destroy,
472 .reset = armada_overlay_reset,
473 .atomic_duplicate_state = armada_overlay_duplicate_state,
474 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
475 .atomic_set_property = armada_overlay_set_property,
476 .atomic_get_property = armada_overlay_get_property,
477 };
478
479 static const uint32_t armada_ovl_formats[] = {
480 DRM_FORMAT_UYVY,
481 DRM_FORMAT_YUYV,
482 DRM_FORMAT_YUV420,
483 DRM_FORMAT_YVU420,
484 DRM_FORMAT_YUV422,
485 DRM_FORMAT_YVU422,
486 DRM_FORMAT_VYUY,
487 DRM_FORMAT_YVYU,
488 DRM_FORMAT_ARGB8888,
489 DRM_FORMAT_ABGR8888,
490 DRM_FORMAT_XRGB8888,
491 DRM_FORMAT_XBGR8888,
492 DRM_FORMAT_RGB888,
493 DRM_FORMAT_BGR888,
494 DRM_FORMAT_ARGB1555,
495 DRM_FORMAT_ABGR1555,
496 DRM_FORMAT_RGB565,
497 DRM_FORMAT_BGR565,
498 };
499
500 static const struct drm_prop_enum_list armada_drm_colorkey_enum_list[] = {
501 { CKMODE_DISABLE, "disabled" },
502 { CKMODE_Y, "Y component" },
503 { CKMODE_U, "U component" },
504 { CKMODE_V, "V component" },
505 { CKMODE_RGB, "RGB" },
506 { CKMODE_R, "R component" },
507 { CKMODE_G, "G component" },
508 { CKMODE_B, "B component" },
509 };
510
armada_overlay_create_properties(struct drm_device * dev)511 static int armada_overlay_create_properties(struct drm_device *dev)
512 {
513 struct armada_private *priv = drm_to_armada_dev(dev);
514
515 if (priv->colorkey_prop)
516 return 0;
517
518 priv->colorkey_prop = drm_property_create_range(dev, 0,
519 "colorkey", 0, 0xffffff);
520 priv->colorkey_min_prop = drm_property_create_range(dev, 0,
521 "colorkey_min", 0, 0xffffff);
522 priv->colorkey_max_prop = drm_property_create_range(dev, 0,
523 "colorkey_max", 0, 0xffffff);
524 priv->colorkey_val_prop = drm_property_create_range(dev, 0,
525 "colorkey_val", 0, 0xffffff);
526 priv->colorkey_alpha_prop = drm_property_create_range(dev, 0,
527 "colorkey_alpha", 0, 0xffffff);
528 priv->colorkey_mode_prop = drm_property_create_enum(dev, 0,
529 "colorkey_mode",
530 armada_drm_colorkey_enum_list,
531 ARRAY_SIZE(armada_drm_colorkey_enum_list));
532 priv->brightness_prop = drm_property_create_range(dev, 0,
533 "brightness", 0, 256 + 255);
534 priv->contrast_prop = drm_property_create_range(dev, 0,
535 "contrast", 0, 0x7fff);
536 priv->saturation_prop = drm_property_create_range(dev, 0,
537 "saturation", 0, 0x7fff);
538
539 if (!priv->colorkey_prop)
540 return -ENOMEM;
541
542 return 0;
543 }
544
armada_overlay_plane_create(struct drm_device * dev,unsigned long crtcs)545 int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs)
546 {
547 struct armada_private *priv = drm_to_armada_dev(dev);
548 struct drm_mode_object *mobj;
549 struct drm_plane *overlay;
550 int ret;
551
552 ret = armada_overlay_create_properties(dev);
553 if (ret)
554 return ret;
555
556 overlay = kzalloc(sizeof(*overlay), GFP_KERNEL);
557 if (!overlay)
558 return -ENOMEM;
559
560 drm_plane_helper_add(overlay, &armada_overlay_plane_helper_funcs);
561
562 ret = drm_universal_plane_init(dev, overlay, crtcs,
563 &armada_ovl_plane_funcs,
564 armada_ovl_formats,
565 ARRAY_SIZE(armada_ovl_formats),
566 NULL,
567 DRM_PLANE_TYPE_OVERLAY, NULL);
568 if (ret) {
569 kfree(overlay);
570 return ret;
571 }
572
573 mobj = &overlay->base;
574 drm_object_attach_property(mobj, priv->colorkey_prop,
575 0x0101fe);
576 drm_object_attach_property(mobj, priv->colorkey_min_prop,
577 0x0101fe);
578 drm_object_attach_property(mobj, priv->colorkey_max_prop,
579 0x0101fe);
580 drm_object_attach_property(mobj, priv->colorkey_val_prop,
581 0x0101fe);
582 drm_object_attach_property(mobj, priv->colorkey_alpha_prop,
583 0x000000);
584 drm_object_attach_property(mobj, priv->colorkey_mode_prop,
585 CKMODE_RGB);
586 drm_object_attach_property(mobj, priv->brightness_prop,
587 256 + DEFAULT_BRIGHTNESS);
588 drm_object_attach_property(mobj, priv->contrast_prop,
589 DEFAULT_CONTRAST);
590 drm_object_attach_property(mobj, priv->saturation_prop,
591 DEFAULT_SATURATION);
592
593 ret = drm_plane_create_color_properties(overlay,
594 BIT(DRM_COLOR_YCBCR_BT601) |
595 BIT(DRM_COLOR_YCBCR_BT709),
596 BIT(DRM_COLOR_YCBCR_LIMITED_RANGE),
597 DEFAULT_ENCODING,
598 DRM_COLOR_YCBCR_LIMITED_RANGE);
599
600 return ret;
601 }
602